NICK ZIGELBAUM is an energy analyst in NRDC's San Francisco office. He works primarily as a legislative and regulatory advocate for state and federal building energy codes for multiple U.S. states and China. More generally, he works to advance the energy efficiency of the built environment. He is a graduate of Cornell University's School of Engineering. Press contact: cnoble@nrdc.org, 415-875-6100 If you are not a member of the press, please write to us at nrdcinfo@nrdc.org.